fix formatting

Author: moar55

libcxx/test/std/numerics/complex.number/cmplx.over/pow.pass.cpp

@@ -101,9 +101,9 @@ int main(int, char**)
 
     test<long double, float>();
     test<long double, double>();
-    
+
     // Make sure LWG4191: P1467 is respected.
     static_assert(std::is_same_v<decltype(std::pow(std::complex<float>(), int())), std::complex<double>>, "");
 
-  return 0;
+    return 0;
 }